{"id":"https://openalex.org/W835508554","doi":null,"title":"The Effect of Leisure-Based Screen Time on Physical Activity","display_name":"The Effect of Leisure-Based Screen Time on Physical Activity","publication_year":2005,"publication_date":"2005-01-01","ids":{"openalex":"https://openalex.org/W835508554","mag":"835508554"},"language":"en","primary_location":{"id":"pmh:oai:scholarsarchive.byu.edu:etd-1621","doi":null,"is_oa":true,"landing_page_url":"https://scholarsarchive.byu.edu/etd/622","pdf_url":"https://scholarsarchive.byu.edu/etd/622","source":{"id":"https://openalex.org/S4377196308","display_name":"ScholarsArchive  (Brigham Young University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I100005738","host_organization_name":"Brigham Young University","host_organization_lineage":["https://openalex.org/I100005738"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Theses and Dissertations","raw_type":"text"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://scholarsarchive.byu.edu/etd/622","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5038960454","display_name":"Mary Dawn Sperry","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I100005738","display_name":"Brigham Young University","ror":"https://ror.org/047rhhm47","country_code":"US","type":"education","lineage":["https://openalex.org/I100005738"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Mary Dawn Sperry","raw_affiliation_strings":["Brigham Young Univ"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Brigham Young Univ","institution_ids":["https://openalex.org/I100005738"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5038960454"],"corresponding_institution_ids":["https://openalex.org/I100005738"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10352","display_name":"Physical Activity and Health","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10352","display_name":"Physical Activity and Health","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12060","display_name":"Child Development and Digital Technology","score":0.013000000268220901,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10010","display_name":"Obesity, Physical Activity, Diet","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/leisure-screen-time","display_name":"leisure screen time","score":0.8050000071525574},{"id":"https://openalex.org/keywords/exercise","display_name":"physical activity","score":0.8679999709129333},{"id":"https://openalex.org/keywords/step-count","display_name":"step count","score":0.7369999885559082},{"id":"https://openalex.org/keywords/screen-time-limits","display_name":"screen time limits","score":0.9430000185966492},{"id":"https://openalex.org/keywords/children","display_name":"children","score":0.5099999904632568},{"id":"https://openalex.org/keywords/adolescents","display_name":"adolescents","score":0.9850000143051147},{"id":"https://openalex.org/keywords/adults","display_name":"adults","score":0.6990000009536743},{"id":"https://openalex.org/keywords/family-intervention","display_name":"family intervention","score":0.5149999856948853},{"id":"https://openalex.org/keywords/pedometers","display_name":"pedometers","score":0.5299999713897705},{"id":"https://openalex.org/keywords/sedentary-behavior","display_name":"sedentary behavior","score":0.7369999885559082}],"concepts":[{"id":"https://openalex.org/C2779070388","wikidata":"https://www.wikidata.org/wiki/Q648434","display_name":"Pedometer","level":3,"score":0.8022077083587646},{"id":"https://openalex.org/C144301174","wikidata":"https://www.wikidata.org/wiki/Q7893852","display_name":"Univariate analysis","level":3,"score":0.6062548756599426},{"id":"https://openalex.org/C3020255362","wikidata":"https://www.wikidata.org/wiki/Q747883","display_name":"Physical activity","level":2,"score":0.530048131942749},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.5281103849411011},{"id":"https://openalex.org/C99476002","wikidata":"https://www.wikidata.org/wiki/Q42297","display_name":"Analysis of variance","level":2,"score":0.5274298787117004},{"id":"https://openalex.org/C199163554","wikidata":"https://www.wikidata.org/wiki/Q1681619","display_name":"Univariate","level":3,"score":0.49083787202835083},{"id":"https://openalex.org/C2986834420","wikidata":"https://www.wikidata.org/wiki/Q5932254","display_name":"Age groups","level":2,"score":0.4504165053367615},{"id":"https://openalex.org/C2991746682","wikidata":"https://www.wikidata.org/wiki/Q180910","display_name":"Leisure time","level":3,"score":0.41358888149261475},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.4130851924419403},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4078734219074249},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.24191519618034363},{"id":"https://openalex.org/C38180746","wikidata":"https://www.wikidata.org/wiki/Q1952580","display_name":"Multivariate analysis","level":2,"score":0.2225722074508667},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21576744318008423},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.17662084102630615},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.09808433055877686},{"id":"https://openalex.org/C161584116","wikidata":"https://www.wikidata.org/wiki/Q1952580","display_name":"Multivariate statistics","level":2,"score":0.08773159980773926},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:scholarsarchive.byu.edu:etd-1621","doi":null,"is_oa":true,"landing_page_url":"https://scholarsarchive.byu.edu/etd/622","pdf_url":"https://scholarsarchive.byu.edu/etd/622","source":{"id":"https://openalex.org/S4377196308","display_name":"ScholarsArchive  (Brigham Young University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I100005738","host_organization_name":"Brigham Young University","host_organization_lineage":["https://openalex.org/I100005738"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Theses and Dissertations","raw_type":"text"},{"id":"mag:835508554","doi":null,"is_oa":false,"landing_page_url":"https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=1621&context=etd","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:scholarsarchive.byu.edu:etd-1621","doi":null,"is_oa":true,"landing_page_url":"https://scholarsarchive.byu.edu/etd/622","pdf_url":"https://scholarsarchive.byu.edu/etd/622","source":{"id":"https://openalex.org/S4377196308","display_name":"ScholarsArchive  (Brigham Young University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I100005738","host_organization_name":"Brigham Young University","host_organization_lineage":["https://openalex.org/I100005738"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Theses and Dissertations","raw_type":"text"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.98580002784729,"display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/clinical-trial","display_name":"Clinical Trial"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W835508554.pdf","grobid_xml":"https://content.openalex.org/works/W835508554.grobid-xml"},"referenced_works_count":36,"referenced_works":["https://openalex.org/W1531363480","https://openalex.org/W1564080592","https://openalex.org/W1853435909","https://openalex.org/W1914282353","https://openalex.org/W1940453990","https://openalex.org/W1969679056","https://openalex.org/W1976694926","https://openalex.org/W1977895374","https://openalex.org/W1983157792","https://openalex.org/W1993734551","https://openalex.org/W1995683019","https://openalex.org/W2005729183","https://openalex.org/W2008081010","https://openalex.org/W2008628568","https://openalex.org/W2019436512","https://openalex.org/W2025741233","https://openalex.org/W2041589286","https://openalex.org/W2053489121","https://openalex.org/W2053861982","https://openalex.org/W2069625042","https://openalex.org/W2071289636","https://openalex.org/W2077056738","https://openalex.org/W2079182750","https://openalex.org/W2083454465","https://openalex.org/W2094103707","https://openalex.org/W2127615810","https://openalex.org/W2132794587","https://openalex.org/W2134369178","https://openalex.org/W2135740831","https://openalex.org/W2142856621","https://openalex.org/W2144597270","https://openalex.org/W2144906940","https://openalex.org/W2146980963","https://openalex.org/W2147837919","https://openalex.org/W2156879797","https://openalex.org/W2170585622"],"related_works":["https://openalex.org/W2000941327","https://openalex.org/W2151975435","https://openalex.org/W4324339511","https://openalex.org/W4281395262","https://openalex.org/W2120358045","https://openalex.org/W4309419181","https://openalex.org/W2626094958","https://openalex.org/W2004671638","https://openalex.org/W4410032956","https://openalex.org/W2038661097"],"abstract_inverted_index":{"The":[0,207],"purpose":[1],"of":[2,10,31,75,98,127,223,237],"this":[3,21],"study":[4],"was":[5,26,80],"to":[6,29,54,82,109,117,140,190,196,199,209],"determine":[7,83],"the":[8,86,99,110,115,128,138,163,174,188,197,212],"effect":[9],"leisure-based":[11,67],"screen":[12,33,58,68,224,238],"time":[13,34,59,69,225,239],"on":[14],"physical":[15,244],"activity.":[16],"Ninety-four":[17],"families":[18],"participated":[19],"in":[20,114,187,211,232],"six-week":[22],"study.":[23],"Each":[24],"family":[25],"randomly":[27],"assigned":[28],"one":[30],"three":[32],"groups:":[35],"(1)":[36],"control":[37,164,215],"group":[38,41,146],"(2)":[39],"2-hour-limit":[40,166,213],"or":[42],"(3)":[43],"one-hour-limit":[44],"group.":[45],"Family":[46],"members":[47],"wore":[48],"a":[49,159],"Walk4Life":[50],"LS":[51],"2505\u00ae":[52],"pedometer":[53],"measure":[55],"steps.":[56],"Daily":[57],"logs":[60],"were":[61,72,92,121],"filled":[62],"out":[63],"each":[64,205,226,240,250],"night":[65],"and":[66,70,165,184,214,220],"steps":[71,179,194,204,249],"recorded.":[73],"Analysis":[74],"variance":[76],"(steps":[77],"x":[78],"group)":[79],"used":[81],"differences":[84,95,124,147,157],"among":[85,96,125],"groups.":[87],"Univariate":[88],"tests":[89,113,143],"showed":[90],"there":[91,120],"no":[93,122],"significant":[94,123,145,160],"any":[97,126],"adult":[100],"groups":[101,129,167,186,216],"(F":[102,130,148],"(2,101)":[103],"=":[104,133,150],"1.02,":[105],"p":[106,135,152],"=.361).":[107],"Similar":[108],"adults,":[111],"univariate":[112,142],"13":[116,198],"18-year-olds":[118,200],"indicated":[119,158],"(2":[131],",62)":[132],"368,":[134],"=.694).":[136],"In":[137,170,229],"5":[139,189,208],"12-year-olds,":[141],"determined":[144],"(2,164)":[149],"3.35,":[151],"=.037).":[153],"Estimated":[154],"marginal":[155],"mean":[156],"difference":[161],"between":[162],"(p":[168],"=.011).":[169],"looking":[171],"at":[172],"all":[173,185],"children,":[175],"males":[176],"averaged":[177,192],"more":[178,193,248],"per":[180],"day":[181,241],"than":[182],"females,":[183],"12-year-olds":[191,210],"compared":[195],"(10,828":[201],"vs.":[202],"9,875":[203],"day).":[206],"viewed":[217],"72":[218],"minutes":[219,222,235],"114":[221],"day,":[227],"respectively.":[228],"conclusion,":[230],"engaging":[231],"about":[233],"42":[234],"less":[236],"may":[242],"increase":[243],"activity":[245],"by":[246],"~1,300":[247],"day.":[251]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
